Lewis needed to find the difference in lengths between the hypotenuse and the longest leg of this triangle. His work is shown below.

Triangle A B C. Side B C is 16 and side A C is 12. Hypotenuse A B is labeled c.

12 squared + 16 squared = c squared. 144 + 256 = c squared. 400 = c squared. StartRoot 400 EndRoot = c. 200 = c. Difference: 200 minus 12 = 188.

What errors did Lewis make? Check all that apply.
He simplified StartRoot 400 EndRoot incorrectly. It should be 20 instead of 200.
He found the difference between the hypotenuse and the short leg instead of the long leg.
He evaluated 12 squared incorrectly. It should be 12 (2) = 24.
He evaluated 16 squared incorrectly. It should be 16 (2) = 32.
He should not have taken the square root of each side to get rid of the exponent.

no one knows lol

step-by-step explanation:

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

but which class are u may know that first

the answer is 11.2 (i know i’m late)